The Sun is very much a main sequence star, in the G-type category (G2V to be precise). It’s been fusing hydrogen for 4.6 ...

Player (STScI) Main sequence stars, which can last for millions ... at least in the beginning of this phase. As the star runs low on helium, it contracts and heats up, which allows it to convert ...

The common envelope phase remains one of the biggest ... both a "dead" stellar remnant and "living" star -- otherwise known as white dwarf-main sequence binaries -- provides a unique way to ...

But in this case the star is on the main sequence, meaning that it is a normal ... Instead it went through several violent phases as the planet was torn apart and the red nova flared.

If you get away from city lights and witness the astonishing beauty of the night sky, most of the stars you can see are part of what is known as the “main sequence”. The few that aren’t part ...